10/8/2020 12:58 PM | |
Joined: 9/3/2013 Last visit: 6/4/2024 Posts: 18 Rating:
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Hi, its possible to exchange data with PLC and PC using optimized data block in PLC and own pc software ? Like a S7.Net (https://github.com/S7NetPlus/s7netplus/wiki) . In a non optimized block i have the offset in DB but not in optimized. How is this possible ? Thanks. |
10/8/2020 4:08 PM | |
Joined: 3/30/2020 Last visit: 9/4/2024 Posts: 4720 Rating:
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Hi. Is it acceptable to have a program running in the PLC to regulate the communication? Ethernet communication instruction blocks can make it possible. I prefer this method for the (small) security that it provides. |
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10/8/2020 11:06 PM | |
Joined: 7/7/2010 Last visit: 9/4/2024 Posts: 15139 Rating:
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See attached image from 2015 where Siemens says OPC can access Optimized DB data on S7-1200's with Firmware 4.x The same would apply to S7-1500's. Is that what you were seeking?
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science guy |
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10/9/2020 8:14 AM | |
Joined: 9/3/2013 Last visit: 6/4/2024 Posts: 18 Rating:
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Hi, thanks for answer |
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